Learn the Issues
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Tern Island Preliminary Assessment and Technical Support Document
Tern Island Preliminary Assessment and Technical Support Document and summary.
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Clean Air Act Permitting Best Practices Documents
Best practices that regulatory agencies, industry and the public may consider when permitting emissions sources under the Clean Air Act (CAA).
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Approved Air Quality Implementation Plans in Region 4
Read about the approved State Implementation Plans, Tribal Implementation Plans, as well as any Federal Implementation Plans for Region 4.
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Supporting Communities
Landing page for Supporting Communities
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Brownfields in EPA Region 8
EPA Region 8 manages Brownfields and Land Revitalization programs in Colorado, Montana, North Dakota, South Dakota, Utah and Wyoming.
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Mold Image Library
The image library contains mold-related images in seven categories. There are also animated images that you can choose to view and download. These photos may be used for presentations and educational purposes without contacting EPA.
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Mold Remediation in Schools and Commercial Buildings Guide: Chapter 1
The content on this page is based on the guide by the same name. However, updates have been made to some resources and links. Here you can find information on mold prevention and remediation.
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A Brief Guide to Mold, Moisture and Your Home
This guide provides information and guidance for homeowners and renters on how to clean up residential mold problems and how to prevent mold growth.
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Communicating the Connection Between Climate Change and Heat Health
This page includes presentation and transcript PDFs and mp3s from EPA's August 19, 2015 webcast, "Communicating the Connection Between Climate Change and Heat Health".
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Smart Growth and Heat Islands
Information on how smart growth principles can be used to help reduce the heat island effect in cities
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Where does radon come from?
Radon-222 is the decay product of radium-226. Radon-222 and its parent, radium-226, are part of the long decay chain for uranium-238. Since uranium is essentially ubiquitous (being or seeming to be everywhere at the same time) in the earth's crust, radium-226 and radon-222 are present in almost all rock and…
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What is the average level of radon found in homes in the U.S.?
Based on a national residential radon survey completed in 1991, the average indoor radon level is about 1.3 picocuries per liter (pCi/L) (50 becquerels per cubic meter (Bq/m3)) in air in the United States. The average outdoor level is about 0.4 pCi/L (15 Bq/m3). Learn more about radon by visiting…
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Radon Resources
Media Resources, Publications, webinars, Hotlines, NRAM Resources, Media campaigns for TV, radio and print for radon including access to PSAs and other radon media campaigns.
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How does radon get into your home?
Any home may have a radon problem. Radon is a radioactive gas. It comes from the natural decay of uranium that is found in nearly all soils. It typically moves up through the ground to the air above and into your home through cracks and other holes in the foundation…
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Lead Designations - New Hampshire State Recommendations and EPA Responses
Lead Designations - 2008 Standards. New Hampshire State Recommendations and EPA Responses, Round 1 and 2
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Lead Designations - Missouri State Recommendations and EPA Responses
Lead Designations - 2008 Standards. Missouri State Recommendations and EPA Responses, Round 1 and 2
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Tools for State Implementation Plan (SIP) Status
Resources for checking on the status of an air quality state implementation plan (SIP).
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TSCA Section 5(a)(3)(C) Determination for Premanufacture Number (PMN) P-19-0003
This document describes EPA's pre-manufacture notice review determination under amended TSCA for P-19-0003.
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Lead Designations - Rhode Island State Recommendations and EPA Responses
Lead Designations - 2008 Standards. Rhode Island State Recommendations and EPA Responses, Round 1 and 2
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Community-Port Collaboration Toolkit
The Toolkit includes the Ports Primer for Communities, the Community Action Roadmap, and the Environmental Justice Primer for Ports along with associated training materials and worksheets.
